package com.luozongyao.statistics.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.luozongyao.statistics.entity.User;

/**
 * <p>
 *  Mapper 接口
 * </p>
 *
 * @author testjava
 * @since 2021-10-25
 */

public interface UserMapper extends BaseMapper<User> {

    Integer selectRegisterCount(String day);
}
